Infant sofa



FIG. 1 is a front perspective view of the infant sofa showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the infant sofa that form no part of the claimed design. 

CLAIM The ornamental design for an infant sofa, as shown and described. 